The ESP8266 is a highly integrated chip designed to meet the needs of a new connected world. It provides a complete, standalone Wi-Fi networking solution that allows it to host applications or uninstall all Wi-Fi networking capabilities from another application processor.
Instructions for use and steps:
1. Download the latest version of IDE.
2. Install IDE
3. Set the IDE to:
Go to File -> Preferences and copy the following URL for the ESP board manager extension: esp8266.com/stable/package_esp8266com_index.json
4. Go to Tools> Board> Board Manager> enter ""esp8266"" and download community esp8266 and install.
5. Set your chip as:
Tools -> Boards -> NodeMCU 1.0 (ESP-12E Module)
Tools -> Flash Size -> 4M (3M SPIFFS)
Tools -> CPU Frequency -> 80 Mhz
Tools -> upload speed -> 921600
Tools -> Port